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A147727
Number of permutations of 1..n with all sums of 2 through 5 adjacent terms respectively unique.
0
1, 2, 6, 16, 54, 232, 936, 3880, 17302, 81584, 409012, 2169742, 11998726, 69653068, 426511054, 2718410098, 18114464012
OFFSET
1,2
CROSSREFS
Sequence in context: A147730 A147729 A147728 * A147726 A147916 A147907
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2008
STATUS
approved